diff --git a/UnitTestProject/Modules/SwapModule/GLMS20260703CloseInterestTest.cs b/UnitTestProject/Modules/SwapModule/GLMS20260703CloseInterestTest.cs
index 159fbd83..bb29f270 100644
--- a/UnitTestProject/Modules/SwapModule/GLMS20260703CloseInterestTest.cs
+++ b/UnitTestProject/Modules/SwapModule/GLMS20260703CloseInterestTest.cs
@@ -188,7 +188,7 @@ namespace YLErp.Modules.SwapModule
                 FloatRateUnderlyingCode = "FR007",   // 真实浮动利率腿
                 FloatRate = 0m,
                 PosiNotionalValue = Notional,
-                UnderlyingCode = "511160.SH",
+                UnderlyingCode = "2500002.IB",
                 InterestSwapInterval = JsonConvert.SerializeObject(intervalModels)
             };
         }